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networkTomography (version 0.3)
decomposeA: Compute pivoted decomposition of routing matrix A into full-rank and remainder, as in Cao et al. 2000, via the QR decomposition.
Description
Compute pivoted decomposition of routing matrix A into full-rank and remainder, as in Cao et al. 2000, via the QR decomposition.
Usage
decomposeA(A)
Arguments
A
routing matrix of dimension m x k
Value
list containing two matrices: A1 (m x m), a full-rank subset of the columns of A, and A2 (m x k - m), the remaining columns